A look at noteworthy addresses in the Southland. Sandra Bem, professor of psychology and women's studies at Cornell University, is noted for her research on sex roles, androgyny and the development of psychosexual identity and maturity. Bem spoke on "Transforming the Debate on Sexual Inequality: From Biological Difference to Institutionalized Androcentrism," Monday at Claremont McKenna College. From Bem's address: